US2415264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tubular latch
Assignee: Individual
•
Filing: 1944-10-21
•
Granted: 1947-02-04
•
Expires: 1964-10-21
Abstract
No abstract record available.
Inventors
- 👤 Edward F Sutphin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:05
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0977; Y10T292/0982; Y10T292/0983; Y10T292/0984; Y10T292/0986
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US626339A
Cited
US1331166A
Cited
US1489675A
Cited
US1593667A
Cited
US2086982A
Cited
US2263477A
Cited
US2351077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |